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12,489 extensions found in Web Development

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  • Fire Source Viewer

    Fire Source Viewer

    Your rapid source code viewer

    Francesco De Stefano

    217 users

  • Eye-Able® Audit for WCAG

    Eye-Able® Audit for WCAG

    Check your website for the most common WCAG/ADA errors.

    Web Inclusion GmBH

    217 users

  • Detector Whats Font

    Detector Whats Font

    You can find out the font of a web page very easily.

    macha

    217 users

  • SeLite SQLite Connection Manager

    SeLite SQLite Connection Manager

    It manages SQLite DB connection(s). It can be used with other extensions from SeLite family, or on its own.

    Peter Lyons Kehl

    217 users

  • Performance-Analyser

    Performance-Analyser

    Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.

    Michael Mrowetz

    215 users

  • LoveJS

    LoveJS

    漏洞挖掘神器 | 发现隐藏接口 | 敏感信息发现 | 批量打开URL

    n0name

    214 users

  • Image Map Editor

    Image Map Editor

    Check and editing the image maps inside the web page with magnifying glass.

    Heinz-Jürgen Boms

    214 users

  • LoremGen

    LoremGen

    Get your every day lorem ipsum text faster.

    Colin Espinas

    214 users

  • ViewGrip: For YouTube

    ViewGrip: For YouTube

    We will help you get more YouTube views, subscribers, likes and comments organically.

    ViewGrip

    214 users

  • responsivo

    responsivo

    A web extension for firefox allowing to view multiple view widths at once. Inspired by Emmet Re:view

    michael.lill

    213 users

  • JavaScript Switch

    JavaScript Switch

    This plugin provides a button which behaves like that, set `javascript.enabled`=`false` or `true` at `about:config` page..

    Novs Yama

    213 users

  • JS Injector

    JS Injector

    Inject JavaScript custom code into every webpage (e.g. to help with debugging).

    Francesco De Stefano

    212 users

  • Video Speed Controller

    Video Speed Controller

    Control the playback speed of videos on any HTML5 video player.

    video for web

    211 users

  • Material Design Colors Picker

    Material Design Colors Picker

    Copy a Material Design Color in one click in either #HEX, HEX, RGB and RGBA format.

    Alexandre CIPOR

    211 users

  • single-spa Inspector

    single-spa Inspector

    A devtools panel for single-spa applications.

    single spa inspector dev

    211 users

  • かんたん文字数カウント

    かんたん文字数カウント

    選択したテキストの文字数を数えることができるFirefox アドオンです。 記事の文字数の確認や校正などにご活用ください。

    Masaki Wakatake

    211 users

  • MyIP - ip address and location details

    MyIP - ip address and location details

    This extension displays your public IPv4 address, provider name, location and dns server.

    turbopixel

    211 users

  • RTL toggle

    RTL toggle

    Adds a reverse page orientation so that the text is more suitable for your language.

    trl toggle

    210 users

  • PinVault Pro – Pinterest Bulk Downloader

    PinVault Pro – Pinterest Bulk Downloader

    Professional Pinterest bulk downloader with AI auto-scroll, dual-interface sync, and smart vault organization for creators.

    Yogeshwar Kumar

    210 users

  • EyeBankWeb Plugin Adapter

    EyeBankWeb Plugin Adapter

    This add-on allows FireFox to call the locally installed IrisGuard EyeBank APIs using native messaging, giving the user full functionality of all IrisGuard EyeBank APIs calls such as capturing iris images and doing a recognition.

    Firefox user 13251731

    210 users

  • Switch Direction

    Switch Direction

    Switch Direction in edits, useful for mixed RTL and LTR texts editing.

    ebraminio

    210 users

  • Clear Cache & Reload

    Clear Cache & Reload

    One-click button to clear site cache and reload the page.

    MM

    209 users

  • Canvas Capture

    Canvas Capture

    Capture video from canvas elements

    Chase

    208 users

  • Free Backlink Checker by LRT

    Free Backlink Checker by LRT

    Free backlink checker to verify all links on a page. Finds broken, unverified, no-follow, follow, internal, external links.

    LinkResearchTools GmbH

    208 users

  • APIsec BOLT

    APIsec BOLT

    Discover APIs from browser traffic and auto-generate OpenAPI specs.

    APIsec.ai

    208 users